Results 1 to 10 of about 5,414 (199)

Dinuclear Lanthanide (III) Coordination Polymers in a Domino Reaction [PDF]

open access: yesInorganics, 2015
A systematic study was performed to further optimise the catalytic room-temperature synthesis of trans-4,5-diaminocyclopent-2-enones from 2-furaldehyde and primary or secondary amines under a non-inert atmosphere.
Edward Loukopoulos   +5 more
doaj   +3 more sources

Molecularly imprinted polypyrrole-based electrochemical sensor for furaldehydes determination in Italian honey samples [PDF]

open access: yesScientific Reports
The increasing need for rapid and cost-effective methods to quantify furan compounds in food has spurred the development of in-field analysis techniques.
Alessandra Cutaia   +3 more
doaj   +2 more sources

Characterization of Saccharide Sugar in Corn Seed (Zea Mays Saccharata) By Using Gas Chromatography Mass Spectrometry Method [PDF]

open access: yesJurnal Bahan Alam Terbarukan, 2018
This study characterizes the saccharide sugar contained in whole sweet corn seeds by extracting using Ultrasound Assisted Solvent Extraction for 60 minutes with 24 kHz frequency using ethanol solvent with concentrations of 70%, 75%, 80%, and 85%.
Andi Muhamad Iqbal Akbar Asfar
doaj   +2 more sources

Dynamic multi-omics analysis reveals the correlation between aroma compounds and symbiotic microbial community during tobacco leaf aging process [PDF]

open access: yesBMC Plant Biology
Aging in crops like tea and tobacco involves the production of secondary metabolites, with symbiotic microbes playing a key role. However, their dynamic changes and correlation with metabolites during aging remain poorly understood.
Lifeng Jin   +12 more
doaj   +2 more sources

HPLC-PDA Method for Quantification of Bioactive Compounds in Crude Extract and Fractions of Aucklandia costus Falc. and Cytotoxicity Studies against Cancer Cells [PDF]

open access: yesMolecules, 2023
Aucklandia costus Falc. (Synonym: Saussurea costus (Falc.) Lipsch.) is a perennial herb of the family Asteraceae. The dried rhizome is an essential herb in the traditional systems of medicine in India, China and Tibet.
Anil Bhushan   +7 more
doaj   +2 more sources

Wild rodents seed choice is relevant for sustainable agriculture [PDF]

open access: yesScientific Reports
Mitigating pre-harvest sprouting (PHS) and post-harvest food loss (PHFL) is essential for enhancing food securrity. To reduce food loss, the use of plant derived specialized metabolites can represent a good approach to develop a more eco-friendly ...
Yang Peng   +16 more
doaj   +2 more sources

Exploration and Improvement of Acid Hydrolysis Conditions for Inulin-Type Fructans Monosaccharide Composition Analysis: Monosaccharide Recovery and By-Product Identification [PDF]

open access: yesFoods
Acid hydrolysis serves as the primary method for determining the monosaccharide composition of polysaccharides. However, inappropriate acid hydrolysis conditions may catalyze the breakdown of monosaccharides such as fructans (Fru), generating non-sugar ...
Xinyan Zong   +5 more
doaj   +2 more sources

An Extrinsic Optical Fiber Sensor Probe with Micrometer Size via a C-Shaped Waveguide with a Core of MIP [PDF]

open access: yesSensors
Optical–chemical sensors based on optical fibers can be made in reflection or transmission schemes. In the reflection scheme, the sensing area is typically present at the end of the fiber, and the light source and the detector are placed on the same side
Chiara Marzano   +12 more
doaj   +2 more sources

An Optical Device Based on a Chemical Chip and Surface Plasmon Platform for 2-Furaldehyde Detection in Insulating Oil [PDF]

open access: yesSensors
2-Furaldehyde (2-FAL) is one of the main by-products of the degradation of hemicellulose, which is the solid material of the oil–paper insulating system of oil-filled transformers.
Letizia De Maria   +7 more
doaj   +2 more sources

Studi Kinetika Dekomposisi Glukosa pada Temperatur Tinggi [PDF]

open access: yesJurnal Teknik ITS, 2014
Glukosa banyak dimanfaatkan untuk proses dekomposisi dan menghasilkan beberapa senyawa anorganik, dalam penelitian ini salah satu produk yang di hasilkan dalam produksi dekomposisi glukosa adalah HMF (5-hydroxymethyl-2-furaldehyde).
Fika Anjana   +2 more
doaj   +2 more sources

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